Merge pull request EESSI#105 from boegel/eessi_pilot_2021.12

stick to using EESSI pilot 2021.12 for now, which includes both GROMACS and OSU-Micro-Benchmarks

.github/workflows/test.yml

@@ -9,7 +9,7 @@ jobs:
       fail-fast: false
       matrix:
         EESSI_VERSION:
-        - "2023.06"
+        - "2021.12"
     steps:
         - name: Check out software-layer repository
           uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
@@ -27,6 +27,20 @@ jobs:
           run: |
             source /cvmfs/pilot.eessi-hpc.org/versions/${{matrix.EESSI_VERSION}}/init/bash
 
+            # install latest version of EasyBuild, to install ReFrame with it,
+            # since that includes the ReFrame test library (hpctestlib) that we rely on
+            python3 -m venv venv
+            source venv/bin/activate
+            pip3 install easybuild
+            eb --version
+            export EASYBUILD_PREFIX=$HOME/easybuild
+            # need to force module generation with --module-only --force because 'pip check' fails
+            # in EESSI pilot 2021.12, see https://github.com/EESSI/compatibility-layer/issues/152
+            eb ReFrame-4.3.3.eb || eb ReFrame-4.3.3.eb --module-only --force
+
+            # load ReFrame
+            module use $HOME/easybuild/modules/all
+
             module load ReFrame/4.3.3
             reframe --version